CN214485257U

CN214485257U - Positive end-expiratory pressure oxygen therapy device

Info

Publication number: CN214485257U
Application number: CN202021335438.2U
Authority: CN
Inventors: 王盛标
Original assignee: First Peoples Hospital of Chenzou
Current assignee: First Peoples Hospital of Chenzou
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-10-26
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses an end-expiratory positive pressure oxygen therapy device, including the face guard with locate the T shape respiratory tube on the face guard, T shape respiratory tube is including violently managing and standpipe, standpipe one end is connected at violently managing the middle part and with violently managing the intercommunication, the other end is connected with the face guard and lets in inside the face guard, violently manage both ends and be equipped with admission valve and expiratory valve respectively, admission valve and expiratory valve are the check valve, the admission valve does not have opening pressure, be equipped with the knob of adjusting expiratory valve opening pressure on the expiratory valve, make the opening pressure of expiratory valve be 0-10cmH₂O, the air inlet valve is externally connectedA source of oxygen. The utility model discloses can maintain certain end-expiratory pressure (PEEP) at patient's respiratory track end, expand patient's lung, reduce patient's the degree of difficulty of breathing. The utility model can provide 0-10cmH₂The positive end-expiratory pressure of O is suitable for mild and moderate patients with acute respiratory distress syndrome, the comfort level of the patients is improved, and the pain of the patients is relieved.

Description

Positive end-expiratory pressure oxygen therapy device

Technical Field

The utility model relates to the field of medical equipment, concretely relates to end-expiratory positive pressure oxygen therapy device.

Background

Patients with interstitial pneumonia, mild-moderate Acute Respiratory Distress Syndrome (ARDS) and other respiratory failure without artificial airway and requiring higher Positive End Expiratory Pressure (PEEP) include nasal catheter, oxygen storage mask, and text on conventional oxygen therapyWhen the colliculus is covered with the mask, only oropharyngeal physiological PEEP exists, and the pharyngeal physiological PEEP is smaller by about 5cmH₂O, the conventional device cannot provide exogenous PEEP support, and may have a poor oxygen inhalation effect, and further high-flow oxygen therapy, a noninvasive ventilator, or even an artificial airway is required to be established for assisted respiration by the invasive ventilator.

Some patients with immunodeficiency may have poor outcomes due to the problems described above. And some patients still need to keep the artificial airway after the patients leave the respirator no matter the artificial airway is established due to the original disease, and the establishment of the artificial airway causes the patients to lose the physiological Positive End Expiratory Pressure (PEEP) effect of the throat, thereby easily causing atelectasis, increasing the incidence of pulmonary infection and even recurrent respiratory failure. Exogenous PEEP can maintain the open state of alveoli of a patient and improve the ventilation/blood flow ratio, but cannot provide PEEP support for establishing an oxygen inhalation interface of an artificial airway patient.

Accordingly, there is a need for an oxygen therapy device that is removably assembled and provides an adjustable Positive End Expiratory Pressure (PEEP) for such patients.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problems and provide an end-expiratory positive pressure oxygen therapy device. In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a positive end-expiratory pressure oxygen therapy device, includes the face guard and locates the T shape respiratory tube on the face guard, T shape respiratory tube is including violently managing and standpipe, standpipe one end is connected at violently managing the middle part and with violently managing the intercommunication, the other end is connected with the face guard and lets in inside the face guard, violently manage both ends and be equipped with admission valve and expiratory valve respectively, admission valve and expiratory valve are the check valve, admission valve does not have opening pressure, the opening pressure of expiratory valve is 0-10cmH₂And O, the air inlet valve is externally connected with an oxygen source.

As an improvement, a knob for adjusting the opening pressure is arranged on the expiratory valve, and scales for displaying the opening pressure of the expiratory valve are arranged on the knob.

As an improvement, the oxygen source is an oxygen storage air bag or an oxygen supply instrument with a humidifier.

As an improvement, a Venturi tube is arranged between the air inlet valve and the oxygen source.

As the improvement, the venturi lateral wall is equipped with into air gap, the venturi outside is equipped with the second knob of adjusting the gap size, be equipped with the second scale that shows venturi mixed oxygen and air ratio on the second knob.

As an improvement, one side of the Venturi tube, which is close to the air inlet valve, is provided with a reducing joint.

As an improvement, a fastening belt is arranged on the face mask.

As an improvement, the fastening belt is made of cloth or plastic.

The utility model has the advantages that:

the utility model discloses can maintain certain end-expiratory pressure (PEEP) at patient's respiratory track end, expand patient's lung, reduce patient's the degree of difficulty of breathing. The utility model can provide 0-10cmH₂The positive end-expiratory pressure of O is suitable for mild and moderate patients with acute respiratory distress syndrome, improves the comfort level of the patients during breathing and relieves the pain of the patients.

Drawings

FIG. 1 is a structural view of a positive end-expiratory pressure oxygen therapy device according to embodiment 1;

FIG. 2 is a schematic view showing the construction of a mask and a T-shaped breathing tube of the positive end-expiratory pressure therapy device in accordance with embodiment 1;

FIG. 3 is a structural view of a T-shaped breathing tube of the positive end-expiratory pressure oxygen therapy device in accordance with embodiment 2;

FIG. 4 is a structural view of a positive end-expiratory pressure oxygen therapy device according to embodiment 2;

FIG. 5 is a structural view of a venturi tube of the positive end-expiratory pressure oxygen therapy device in accordance with embodiment 2;

FIG. 6 is a schematic view showing the configuration of a venturi tube and a variable diameter joint of the positive end expiratory pressure therapy device in example 2.

The figures are labeled as follows:

1-mask, 11-fixing belt, 2-T-shaped breathing tube, 21-transverse tube, 22-vertical tube, 23-air inlet valve, 24-expiratory valve, 241-knob, 242-scale, 3-oxygen source, 4-Venturi tube, 41-gap, 42-second knob, 421-second scale and 43-reducer joint.

Detailed Description

The present invention will be described in detail and specifically with reference to the following examples so as to provide a better understanding of the present invention, but the following examples do not limit the scope of the present invention.

Example 1

The embodiment discloses an end-expiratory positive pressure oxygen therapy device which comprises a face mask 1 and a T-shaped breathing tube 2 arranged on the face mask 1. The face mask 1 is provided with a fixing belt 11, and the fixing belt 11 is made of cloth.

T shape respiratory tube 2 includes violently pipe 21 and standpipe 22, and standpipe 22 one section is connected in violently pipe 21 intermediate position to with violently pipe 21 intercommunication, the other end and face guard 1 swing joint and let into inside face guard 1. An air inlet valve 23 and an exhalation valve 24 are respectively arranged at two ends of the transverse pipe 21, the air inlet valve 23 and the exhalation valve 24 are both one-way valves, the air inlet valve 23 has no opening pressure, and the opening pressure of the exhalation valve 24 is 0-10cmH₂O, the outer side of the air inlet valve 24 is externally connected with an oxygen source 3. The expiratory valve 24 is provided with a knob 241 for adjusting the opening pressure, and the knob 241 is provided with a scale 242 for displaying the opening pressure of the expiratory valve 24.

In this embodiment, the oxygen source is a 3-position oxygen storage bag. This embodiment may provide 0-10cmH for the patient₂Positive end-expiratory pressure of O and pure oxygen. The T-shaped respiratory tube 2 is made of medical plastic, and the vertical tube 22 is flexibly connected with the face mask 1 by the elasticity of the vertical tube and keeps the air tightness. The standpipe 22 is detachable from the mask 1 and interfaces with a conventional artificial airway and then connects to the patient's artificial airway.

Example 2

The embodiment discloses a disposable spontaneous breathing positive end-expiratory pressure oxygen therapy device which comprises a face mask 1 and a T-shaped breathing tube 2 connected to the face mask 1. The face mask 1 is provided with a fixing belt 11, and the fixing belt 11 is made of cloth.

T shape respiratory tube 2 includes violently pipe 21 and standpipe 22, and standpipe 22 one section is connected in violently pipe 21 intermediate position to communicate with violently pipe 21, the other end is connected with face guard 1 and lets in inside face guard 1. An air inlet valve 23 and an expiratory valve are respectively arranged at the two ends of the transverse pipe 2124, the inlet valve 23 and the exhalation valve 24 are all one-way valves, the inlet valve 23 has no opening pressure, and the exhalation valve 24 has an opening pressure of 0-10cmH₂O, oxygen source 3 outside air inlet valve 24. The expiratory valve 24 is provided with a knob 241 for adjusting the opening pressure, and the knob 241 is provided with a scale 242 for displaying the opening pressure of the expiratory valve 24.

A venturi tube 4 is arranged between the air inlet valve 24 and the oxygen source 3, a gap 41 for air to enter is arranged on the side wall of the venturi tube 4, a second knob 42 for adjusting the size of the gap 41 is sleeved outside the venturi tube 4, and second scales 421 for displaying the mixing ratio of the oxygen and the air are arranged on the second knob 42. The venturi tube 4 is provided with a reducer union 43 on the side close to the air inlet valve 24.

This embodiment may provide 0-10cmH for the patient₂O positive end-expiratory pressure, venturi 4 may mix oxygen and air to deliver a concentration of oxygen into intake valve 24, and adjustment of second knob 42 may adjust and provide the oxygen supply concentration indicated by second scale 421.

The present invention has been described in detail with reference to the specific embodiments thereof, which are provided by way of example only, and the present invention is not limited to the specific embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Therefore, the equivalent changes and modifications without departing from the spirit and scope of the present invention should be covered by the scope of the present invention.

Claims

1. The end-expiratory positive-pressure oxygen therapy device is characterized by comprising a face mask and a T-shaped breathing tube arranged on the face mask, wherein the T-shaped breathing tube comprises a transverse tube and a vertical tube, one end of the vertical tube is connected to the middle of the transverse tube and communicated with the transverse tube, the other end of the vertical tube is connected with the face mask and introduced into the face mask, two ends of the transverse tube are respectively provided with an air inlet valve and an exhalation valve, the air inlet valve and the exhalation valve are both one-way valves, the air inlet valve has no opening pressure, and the opening pressure of the exhalation valve is 0-10cmH₂And O, the air inlet valve is externally connected with an oxygen source.

2. The apparatus of claim 1, wherein the exhalation valve is provided with a knob for adjusting the opening pressure, and the knob is provided with a scale for displaying the opening pressure of the exhalation valve.

3. The apparatus of claim 1, wherein the source of oxygen is an oxygen storage bladder or an oxygen supply apparatus with a humidifier.

4. The apparatus of claim 1, wherein a venturi is provided between the inlet valve and the oxygen source.

5. The positive end-expiratory pressure oxygen therapy device according to claim 4, wherein the side wall of the venturi tube is provided with an air inlet gap, a second knob for adjusting the size of the gap is arranged outside the venturi tube, and a second scale for displaying the proportion of the mixed oxygen and air of the venturi tube is arranged on the second knob.

6. The apparatus of claim 4, wherein the venturi tube is provided with a reducer union at a side thereof adjacent to the inlet valve.

7. The apparatus of claim 1, wherein the mask is provided with a fastening strap.

8. The apparatus of claim 7, wherein the fastening strap is made of cloth or plastic.